Question 365950
let width be x
length = 3x+12

2*(x+3x+12)=168
2*(4x+12)=168
/2
4x+12=84
-12
4x=84-12
4x=72
/4
x=18 feet ....the width
length = 3*18+12
=66 feet
...
m.ananth@hotmail.ca